TY  - BOOK
ED  - Conference on the Use of Computers in the Coal Industry (4th : 1990 : West Virginia University, Morgan Town)
ED  - Grayson, R. Larry
ED  - Wang, Y. J.
ED  - Sanford, Richard L.
TI  - Use of computers in the coal industry 1990: proceedings of the fourth conference on the use of  computers in the coal industry, Morgantown, West. Virginia, 20 -22 June 1990 
SN  - 9061911176
KW  - Coal trade
KW  - Congresses
KW  - Computer service industry
ER  -